Detecting push button presses

In this recipe, we will learn how to create a program that will print a message when the push button is pressed. Push buttons are a great way to create user interaction on your devices. This board comes with two push buttons, A and B, so you can create all sorts of different interactions with your users by reading and responding to push button events.

Getting ready

You will need access to the REPL on the Circuit Playground Express to run the code presented in this recipe.

How to do it...

Let's perform the following steps:

1. First, run...